HCS101

DS41115D-page 10

Preliminary

 1999-2013 Microchip Technology Inc.

FIGURE 7-1:

POWER-UP AND TRANSMIT TIMING

TABLE 7-2:

FIGURE 7-2:

PREAMBLE/HEADER FORMAT

FIGURE 7-3:

DATA WORD FORMAT (XSER = 0)

Standard Operating Conditions (unless otherwise specified):

Commercial (C): 0°C

Industrial (I):-40°C

Symbol

Parameters

Min.

Typ.

Max.

Units

Conditions

Time to second button press

10 + Code

Word Time

—

26 + Code

Word Time

ms

(Note 1)

Transmit delay from button detect

12

—

26

ms

Debounce delay

6

—

20

ms

Auto-shutoff time-out period

—

27

—

s

Ts

Start pulse delay

—

4.5

—

ms

intention was to press the combination of buttons.

2: Typical values - not tested in production.

Button Press Detect

Sn

DATA

Code Word Transmission

Code

Word

1

Code

Word

2

Code

Word

3

Code

Word

n

Preamble

Header

P1

P12

Data Word

Transmission

Bit 0

Bit 1

Bit 0

Bit 1

Header

Bit 30 Bit 31 Bit 32 Bit 33 Bit 58 Bit 59

Guard

LSB

LSB

MSB

MSB

S3*

S0

S1

S2

Vlow

Time

Serial Number 1

Function Code

Status

Bit 60 Bit 61 Bit 62 Bit 63 Bit 64 Bit 65

* See S3SET

Counter & Serial Number 3

& Function Code